1, open boat
The origami boat is a childhood memory of the post-80s generation. I wonder how many people still remember its folding method.
The detailed tutorial is as follows:
2. Wind wheel
Windmills are small toys that must be played when I was a child. It is simple to make and interesting to play. Basically, children have played with paper windmills. What about you?
The detailed tutorial of windmill shows:
Windmill is a kind of power machine that can use wind energy without fuel. Early wind turbines were also called windmills. Modern wind turbines refer to wind turbines used for power generation, and some are also used for pumping irrigation.
Ancient windmills were developed from sails. It has 6 ~ 8 pairs of awnings like sailboats, which are distributed around a vertical axis. When the wind blows, it rotates around the axis like a lantern, which is called a lantern windmill. Because of its low efficiency, this kind of windmill is gradually replaced by other windmills, such as "vertical windmill" and "automatic rotor windmill".
For more manual tutorials, please click this website ↓
Detailed tutorial
Promotion speech model essay 1
Dear teachers and students:
Hello everyone!
There are many customs in the Spring Festival! There are also Sp